SIHOO B100 Office Chair, Comfy Ergonomic Office Chair, High Back Computer Chair with Adaptive Lumbar Support & Wide Headrest, Flip-up Armrests, Swivel Desk Chair for Long Hours,Black

الوصف

【3-Layer Sling Support Structure】Innovative split-pressure, energy-absorbing, and load-bearing design provides true lumbar and pelvic support, keeping your spine in a natural S-shape and reducing disc pressure during long sitting sessions. 【2D Adjustable Armrests & 2D Headrest】Armrests flip 90°for flexible support. Oversized 2D headrest for optimal neck alignment. Flip-up arms and compact design save nearly 1m² of space. Ideal for office work, gaming, or rest. 360°swivel and sturdy base support free movement and posture flexibility. 【133°Max Recline with 3-Position Lock】Easily adjust tilt tension for personalized comfort; whether you're working, gaming, or taking a nap, the 25°synchronized backrest and 14°seat tilt ensure stability without sliding 【Breathable Wave Mesh & Waterfall Seat】High-elastic, skin-friendly mesh with 12-zone pressure relief keeps you cool and comfortable. Waterfall seat edge reduces pressure on thighs and knees for better circulation. 【Quality Assurance】The B100 is certified by TÜV for safety and quality, adhering to European REACH and EN1335 standards. It also meets the US SGS BIFMA standards and is equipped with an SGS-certified 4-stage pneumatic lift. With a three-year warranty, this chair ensures long-lasting performance and peace of mind. 【Contact Us if You Have Any Concern】We are committed to providing our customers with high quality desk chairs and an exceptional user experience. The dedicated customer service team is available to assist with any queries you may have about this chair and we promise to offer free product accessories within the three-year warranty period from the date of purchase.